31212584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 35315416

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 79, 104, 116, 131, 158, 232, 262, 316, 377, 524, 632, 754, 1027, 1048, 1508, 1703, 2054, 2291, 3016, 3406, 3799, 4108, 4582, 6812, 7598, 8216, 9164, 10349, 13624, 15196, 18328, 20698, 29783, 30392, 41396, 49387, 59566, 82792, 98774, 119132, 134537, 197548, 238264, 269074, 300121, 395096, 538148, 600242, 1076296, 1200484, 2400968, 3901573, 7803146, 15606292, 31212584]

約数ペア:

[(1, 31212584), (2, 15606292), (4, 7803146), (8, 3901573), (13, 2400968), (26, 1200484), (29, 1076296), (52, 600242), (58, 538148), (79, 395096), (104, 300121), (116, 269074), (131, 238264), (158, 197548), (232, 134537), (262, 119132), (316, 98774), (377, 82792), (524, 59566), (632, 49387), (754, 41396), (1027, 30392), (1048, 29783), (1508, 20698), (1703, 18328), (2054, 15196), (2291, 13624), (3016, 10349), (3406, 9164), (3799, 8216), (4108, 7598), (4582, 6812)]